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Property profile & analytics
OFF-MARKET
Estimated value
$685,000
Apartment buildings
424 Allen St Martinez, CA 94553-2654
Individually Owned
1-yr Hold
Absentee Owner
Free & Clear
Property ID
US09-2617743
Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Year built
1916
Total area
3,575 SF
Lot
0.23 ac (10,000 SF)
APN
372-232-003-7
UPID
US09-2617743
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Implied cap rate, NOI & suggested price
Cap vs submarket · NOI estimate · 3 price anchors
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$875k
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$685k
Owner & transaction history
Eric S Benevent · 1 yrs held
Eric S Benevent
since 2025
6 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Auto repair, garage
$950,000
+4.5%
Cap rate
Implied · in-place · derived from last sale + estimated NOI
Implied Cap rate
#1
Implied · in-place · NOI ÷ last sale
In-place · derived from last sale + estimated NOI
Cap rate, NOI & submarket benchmark
Implied cap rate vs Martinez submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Martinez submarket · NOI estimate · typical band, median & reading
Refine your cap rate
8-question underwriting flow
1.
Property current status — Going-In vs Stabilized
2.
Price for denominator — asking / offer / market
3.
Leasing status & lease structure (NNN / Gross)
4.
Tenant risk profile & vacancy assumption
5.
Upload T12 / rent roll / OM (optional)
Refine in 60 seconds, get exact suggested price
T12 upload · Submarket benchmarks · Sensitivity grid
Suggested price · 3 cap rate anchors
Income approach @ 5% / 7% / 9% — aggressive / typical / conservative
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · Implied $/SF per anchor · Sensitivity grid
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · implied $/SF · sensitivity
Value
AI, CAP & Alternative Use estimations · Realmo proprietary blendValue Estimations
Based on Realmo’s proprietary methodology
AI Approach
Method
Estimation
Statistic approach
by Request
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
$945,000
6.5%
$875,000
7%
$810,000
Alternative Use
Use
Estimation
APARTMENT HOUSE (5+ UNITS)
$905,000
Current use
AUTO REPAIR, GARAGE
$950,000
Change: +5% · Conversion: Difficult
Blend value · Realmo final
$685k
Range $617k – $754k · ±10%
Realmo estimate · informational only.
These numbers are calculated by our models from public records and may not reflect actual market value.
Not an appraisal.
Verify with a licensed appraiser before transacting. Realmo accepts no liability for divergence from real-world outcomes.
View the full estimation — every method, every assumption
Confidence drivers & risk notes · Custom comparable set · Free for first 3 / day
Full estimation methodology
Every method · every assumption · confidence drivers
Price per SF
Sale + rent benchmarks
Subject property
$192 / SF
Submarket sale & rent benchmarks
Median sale $/SF · Asking & closed rent · Submarket vacancy
Submarket sale & rent benchmarks
Median sale $/SF · asking & closed rent · submarket vacancy
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$18,793
Tax year 2024
Assessed value
$1,071,816
Assessed 2024
Previous assessed
$1,071,816
+0.0% YoY
Effective rate
1.75%
On assessed value
Assessed land
$401,928
Assessed improvement
$669,888
Applied tax rate
5.0000
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
Similar Nearby for Lease
Recent comparable sales
Sale price & price/SF · Sale date & distance · Adjustments & confidence
Recent comparable sales
Sale price & $/SF · sale date & distance · adjustments
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Status
Off-Market
Year built
1916
Heating
NONE
Buildings
4
Stories
1
Units
9
Rooms
9
Total area
3,575 SF
Lot
0.23 ac (10,000 SF)
APN
372-232-003-7
UPID
US09-2617743
Jurisdiction
CONTRA COSTA
Metro division
OAKLAND-FREMONT-HAYWARD, CA METROPOLITAN DIVISION
Zoning & alternative use
Zoning · permitted uses
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Alternative use value scenarios
Repositioning upside vs current use
APARTMENT HOUSE (5+ UNITS) Current
Est. value
$905,000
AUTO REPAIR, GARAGE
Est. value
$950,000
APARTMENT HOUSE (5+ UNITS) Current
AUTO REPAIR, GARAGE
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
1916
Heating
NONE
Stories
1
Buildings
4
Units
9
Rooms
9
Lot
0.23 ac
Current owner
From public records · entity-resolved
Eric S Benevent
Individual
Free & Clear · 1 yrs held
Mailing address
856 WIRTHMAN LN, CLAYTON, CA 94517-9795
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2025
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
6 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 4, 2025
—
Eric S Benevent
Susan K Wirthman
Grant Deed
—
May 23, 2007
$160,000
Phillip S Wirthman
Exchanging Com INC
Grant Deed
—
Nov 9, 2005
$800,000
Exchanging Com
Carroll,jan H & Karla S
Grant Deed
$640,000 · Jan H & Karla S Carroll
Jan 13, 1984
$150,000
Jan H Carroll
Lafleur,robert
Grant Deed
$140,000
Apr 7, 1983
—
Owner Name Unavailable
—
Grant Deed
related
—
May 24, 1982
—
Owner Name Unavailable
—
Grant Deed
related
—
Coming soon
Costs & Benchmarks
Operating expenses, capex projections, utility benchmarks, and submarket comparables — all in one view.
Coming soon
Risks
Flood, climate, environmental, title, and tenant-concentration risk — surfaced with mitigations and source citations.
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